* John Sigler [off-list ref] wrote:

quoted

With a pair of the following in the middle:

softirq--4     0....  670us : call_rcu (rt_run_flush)
softirq--4     0D..1  670us : __rcu_advance_callbacks (call_rcu)

Any idea what went wrong in the above function trace? Why is the 
kernel spinning in circles that way?

does your test-app have higher priority than softirq--4 ?

	Ingo

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